/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * */ #include #include #include #include #include namespace { class SearchContext { private: std::unique_ptr& mpPdfDocument; std::unique_ptr mpPage; std::unique_ptr mpTextPage; std::unique_ptr mpSearchHandle; public: sal_Int32 mnPageIndex; int mnCurrentIndex; OUString maSearchString; VectorGraphicSearchOptions maOptions; SearchContext(std::unique_ptr& pPdfDocument, sal_Int32 nPageIndex) : mpPdfDocument(pPdfDocument) , mnPageIndex(nPageIndex) , mnCurrentIndex(-1) { } ~SearchContext() { if (mpSearchHandle) mpSearchHandle.reset(); if (mpTextPage) mpTextPage.reset(); if (mpPage) mpPage.reset(); } basegfx::B2DSize getPageSize() { basegfx::B2DSize aSize; if (!mpPdfDocument) return aSize; basegfx::B2DSize aPDFSize = mpPdfDocument->getPageSize(mnPageIndex); aSize = basegfx::B2DSize(convertPointToMm100(aPDFSize.getWidth()), convertPointToMm100(aPDFSize.getHeight())); return aSize; } bool initialize(OUString const& rSearchString, VectorGraphicSearchOptions const& rOptions) { if (!mpPdfDocument) return false; if (rSearchString == maSearchString) return true; if (mpSearchHandle) mpSearchHandle.reset(); if (mpTextPage) mpTextPage.reset(); if (mpPage) mpPage.reset(); maSearchString = rSearchString; maOptions = rOptions; mpPage = mpPdfDocument->openPage(mnPageIndex); if (!mpPage) return false; mpTextPage = mpPage->getTextPage(); if (!mpTextPage) return false; // Index where to start to search. -1 => at the end int nStartIndex = maOptions.meStartPosition == SearchStartPosition::End ? -1 : 0; if (mnCurrentIndex >= 0) nStartIndex = mnCurrentIndex; // vcl::pdf::PDFFindFlags::MatchCase, vcl::pdf::PDFFindFlags::MatchWholeWord, vcl::pdf::PDFFindFlags::Consecutive // vcl::pdf::PDFFindFlags::MatchCase - If not set, it will not match case by default. // vcl::pdf::PDFFindFlags::MatchWholeWord - If not set, it will not match the whole word by default. // vcl::pdf::PDFFindFlags::Consecutive - If not set, it will skip past the current match to look for the next match. vcl::pdf::PDFFindFlags nSearchFlags{}; if (maOptions.mbMatchCase) nSearchFlags |= vcl::pdf::PDFFindFlags::MatchCase; if (maOptions.mbMatchWholeWord) nSearchFlags |= vcl::pdf::PDFFindFlags::MatchWholeWord; mpSearchHandle = mpTextPage->findStart(maSearchString, nSearchFlags, nStartIndex); return mpSearchHandle != nullptr; } bool next() { if (mpSearchHandle && mpSearchHandle->findNext()) { mnCurrentIndex = index(); return true; } return false; } bool previous() { if (mpSearchHandle && mpSearchHandle->findPrev()) { mnCurrentIndex = index(); return true; } return false; } int index() { if (mpSearchHandle) return mpSearchHandle->getSearchResultIndex(); return -1; } int size() { if (mpSearchHandle) return mpSearchHandle->getSearchCount(); return -1; } std::vector getTextRectangles() { std::vector aRectangles; if (!mpTextPage || !mpSearchHandle) return aRectangles; int nIndex = index(); if (nIndex < 0) return aRectangles; int nSize = size(); if (nSize <= 0) return aRectangles; double fPageHeight = getPageSize().getHeight(); for (int nCount = 0; nCount < nSize; nCount++) { basegfx::B2DRectangle aRectangle = mpTextPage->getCharBox(nIndex + nCount, fPageHeight); if (!aRectangle.isEmpty()) { aRectangles.push_back(aRectangle); } } return aRectangles; } }; } // end anonymous namespace class VectorGraphicSearch::Implementation { public: std::shared_ptr mpPDFium; std::unique_ptr mpPdfDocument; std::unique_ptr mpSearchContext; Implementation() : mpPDFium(vcl::pdf::PDFiumLibrary::get()) { } ~Implementation() { mpSearchContext.reset(); } }; VectorGraphicSearch::VectorGraphicSearch(Graphic aGraphic) : mpImplementation(std::make_unique()) , maGraphic(std::move(aGraphic)) { } VectorGraphicSearch::~VectorGraphicSearch() { mpImplementation.reset(); } bool VectorGraphicSearch::search(OUString const& rSearchString, VectorGraphicSearchOptions const& rOptions) { if (!mpImplementation->mpPDFium) { return false; } if (!mpImplementation->mpSearchContext) { auto pData = maGraphic.getVectorGraphicData(); if (pData && pData->getType() == VectorGraphicDataType::Pdf) { if (searchPDF(pData)) { return mpImplementation->mpSearchContext->initialize(rSearchString, rOptions); } } return false; } return mpImplementation->mpSearchContext->initialize(rSearchString, rOptions); } bool VectorGraphicSearch::searchPDF(std::shared_ptr const& rData) { if (!mpImplementation->mpPDFium) { return false; } mpImplementation->mpPdfDocument = mpImplementation->mpPDFium->openDocument( rData->getBinaryDataContainer().getData(), rData->getBinaryDataContainer().getSize(), OString()); if (!mpImplementation->mpPdfDocument) { //TODO: Handle failure to load. switch (mpImplementation->mpPDFium->getLastErrorCode()) { case vcl::pdf::PDFErrorType::Success: break; case vcl::pdf::PDFErrorType::Unknown: break; case vcl::pdf::PDFErrorType::File: break; case vcl::pdf::PDFErrorType::Format: break; case vcl::pdf::PDFErrorType::Password: break; case vcl::pdf::PDFErrorType::Security: break; case vcl::pdf::PDFErrorType::Page: break; default: break; } return false; } sal_Int32 nPageIndex = std::max(rData->getPageIndex(), sal_Int32(0)); mpImplementation->mpSearchContext.reset( new SearchContext(mpImplementation->mpPdfDocument, nPageIndex)); return true; } basegfx::B2DSize VectorGraphicSearch::pageSize() { basegfx::B2DSize aSize; if (mpImplementation->mpSearchContext) aSize = mpImplementation->mpSearchContext->getPageSize(); return aSize; } bool VectorGraphicSearch::next() { if (mpImplementation->mpSearchContext) return mpImplementation->mpSearchContext->next(); return false; } bool VectorGraphicSearch::previous() { if (mpImplementation->mpSearchContext) return mpImplementation->mpSearchContext->previous(); return false; } int VectorGraphicSearch::index() { if (mpImplementation->mpSearchContext) return mpImplementation->mpSearchContext->index(); return -1; } std::vector VectorGraphicSearch::getTextRectangles() { if (mpImplementation->mpSearchContext) return mpImplementation->mpSearchContext->getTextRectangles(); return std::vector(); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ e-3.6.3 LibreOffice 核心代码仓库文档基金会
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authorAlin Andrei Abahnencei <alinandrei2004@gmail.com>2024-12-20 19:10:10 +0200
committerMike Kaganski <mike.kaganski@collabora.com>2024-12-20 22:42:19 +0100
commit8391bd0ea4fb3a7f4cad4149ec63c980eab5808d (patch)
treec0b31b7efb642d8ff8ea9d0cd1cf561ff41fd163 /xmloff/inc/RDFaImportHelper.hxx
parent0c900b165d4d24c33942e8b59f85243706b93890 (diff)
tdf#163691 Use std::copy() instead of memmove()
Signed-off-by: Alin Andrei Abahnencei <alinandrei2004@gmail.com> Change-Id: I429aa29f97d3f7cc904cac5664b988548fe7f46c Reviewed-on: https://gerrit.libreoffice.org/c/core/+/178954 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>